1. g4 h5

Magnus Carlsen – Fabiano Caruana
World Chess Championship match game 4; London, November 13, 2018
English Opening A29

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. 0-0 0-0 8. d3 Re8 9. Bd2 Nxc3 10. Bxc3 Nd4 11. b4 Bd6 12. Rb1 Nxf3+ 13. Bxf3 a6 14. a4 c6 15. Re1 Bd7 16. e3 Qf6 17. Be4 Bf5 18. Qf3 Bxe4 19. Qxf6 gxf6 20. dxe4

20. ... b5. 13th World Chess Champion Garry Kimovich Kasparov expressed better than others certain essential basics of the chess art: “Perhaps I’m old fashioned, but when you say A (14. a4) you then must say B (15. b5)!”. 21. Red1 Bf8 22. axb5 axb5 23. Kg2 Red8 24. Rdc1 Kg7 25. Be1 Rdc8 26. Rc2 Ra4 27. Kf3 h5 28. Ke2 Kg6 29. h3 f5 30. exf5+ Kxf5 31. f3 Be7 32. e4+ Ke6 33. Bd2 Bd6 34. Rbc1 ½ : ½.

Magnus Carlsen (left) and Fabiano Caruana (right) played to another draw in game 4 of their World Chess Championship match on Tuesday in London, United Kingdom. Photo: Facundo Arrizabalaga/EPA.